{"vulnerability": "CVE-2020-26302", "sightings": [{"uuid": "fac7ce7f-91b1-4dad-803b-f750b2daac6e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2020-26302", "type": "seen", "source": "https://t.me/cibsecurity/55201", "content": "\u203c CVE-2020-26302 \u203c\n\nis.js is a general-purpose check library. Versions 0.9.0 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). is.js uses a regex copy-pasted from a gist to validate URLs. Trying to validate a malicious string can cause the regex to loop \u00c3\u00a2\u00e2\u201a\u00ac\u00c5\u201cforever.\" This vulnerability was found using a CodeQL query which identifies inefficient regular expressions. is.js has no patch for this issue.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2022-12-23T00:14:06.000000Z"}, {"uuid": "d69408c5-37b7-40e1-8a37-8b7ca3032928", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2020-26302", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/11625", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2020-26302\n\ud83d\udd25 CVSS Score: 7.5 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\ud83d\udd39 Description: is.js is a general-purpose check library. Versions 0.9.0 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). is.js uses a regex copy-pasted from a gist to validate URLs. Trying to validate a malicious string can cause the regex to loop \u201cforever.\" This vulnerability was found using a CodeQL query which identifies inefficient regular expressions. is.js has no patch for this issue.\n\ud83d\udccf Published: 2022-12-23T23:03:51.372Z\n\ud83d\udccf Modified: 2025-04-14T14:37:16.925Z\n\ud83d\udd17 References:\n1. https://securitylab.github.com/advisories/GHSL-2020-295-redos-is.js\n2. https://github.com/arasatasaygin/is.js/issues/320", "creation_timestamp": "2025-04-14T14:53:52.000000Z"}]}